<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
    <title>Document</title>
  </head>
  <body>
    <div id="app">{{name}}--{{age}}</div>
    <script>
      const vm=new Vue({
        data(){
          return{
            name:"苏菲",
            age:18
          }
        }
      })

      setTimeout(()=>{
        vm.$mount("#app")
      },2000)
    </script>
  </body>
</html>
